| Porvoo to Setubal | 2,121.26 mi (3,413.84 km) |
| Porvoo to Sever do Vouga | 1,979.34 mi (3,185.44 km) |
| Porvoo to Silves | 2,185.80 mi (3,517.71 km) |
| Porvoo to Sines | 2,153.43 mi (3,465.60 km) |
| Porvoo to Sintra | 2,120.20 mi (3,412.14 km) |
| Porvoo to Sobrado de Paiva | 1,959.41 mi (3,153.37 km) |
| Porvoo to Sobral de Monte Agraco | 2,100.57 mi (3,380.54 km) |
| Porvoo to Soure | 2,026.08 mi (3,260.66 km) |
| Porvoo to Tabua | 1,990.32 mi (3,203.10 km) |
| Porvoo to Tavira | 2,167.14 mi (3,487.67 km) |
| Porvoo to Tomar | 2,045.26 mi (3,291.52 km) |
| Porvoo to Tondela | 1,983.06 mi (3,191.43 km) |
| Porvoo to Torre de Moncorvo | 1,915.92 mi (3,083.37 km) |
| Porvoo to Torres Novas | 2,056.37 mi (3,309.40 km) |
| Porvoo to Torres Vedras | 2,100.26 mi (3,380.05 km) |
